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Carla/source/backend/plugin/FluidSynthPlugin.cpp

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  1. /*

  2.  * Carla FluidSynth Plugin

  3.  * Copyright (C) 2011-2013 Filipe Coelho <falktx@falktx.com>

  4.  *

  5.  * This program is free software; you can redistribute it and/or

  6.  * modify it under the terms of the GNU General Public License as

  7.  * published by the Free Software Foundation; either version 2 of

  8.  * the License, or any later version.

  9.  *

  10.  * This program is distributed in the hope that it will be useful,

  11.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  12.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

  13.  * GNU General Public License for more details.

  14.  *

  15.  * For a full copy of the GNU General Public License see the doc/GPL.txt file.

  16.  */

  17. 

  18. #include "CarlaPluginInternal.hpp"

  19. 

  20. #ifdef WANT_FLUIDSYNTH

  21. 

  22. #include <fluidsynth.h>

  23. 

  24. #if (FLUIDSYNTH_VERSION_MAJOR >= 1 && FLUIDSYNTH_VERSION_MINOR >= 1 && FLUIDSYNTH_VERSION_MICRO >= 4)

  25. # define FLUIDSYNTH_VERSION_NEW_API

  26. #endif

  27. 

  28. CARLA_BACKEND_START_NAMESPACE

  29. 

  30. #if 0

  31. }

  32. #endif

  33. 

  34. #define FLUID_DEFAULT_POLYPHONY 64

  35. 

  36. class FluidSynthPlugin : public CarlaPlugin

  37. {

  38. public:

  39.     FluidSynthPlugin(CarlaEngine* const engine, const unsigned int id, const bool use16Outs)

  40.         : CarlaPlugin(engine, id),

  41.           kUses16Outs(use16Outs),

  42.           fSettings(nullptr),

  43.           fSynth(nullptr),

  44.           fSynthId(-1),

  45.           fAudio16Buffers(nullptr),

  46.           fLabel(nullptr)

  47.     {

  48.         carla_debug("FluidSynthPlugin::FluidSynthPlugin(%p, %i, %s)", engine, id,  bool2str(use16Outs));

  49. 

  50.         FLOAT_CLEAR(fParamBuffers, FluidSynthParametersMax);

  51.         carla_fill<int32_t>(fCurMidiProgs, MAX_MIDI_CHANNELS, 0);

  52. 

  53.         // create settings

  54.         fSettings = new_fluid_settings();

  55.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  56. 

  57.         // define settings

  58.         fluid_settings_setint(fSettings, "synth.audio-channels", use16Outs ? 16 : 1);

  59.         fluid_settings_setint(fSettings, "synth.audio-groups", use16Outs ? 16 : 1);

  60.         fluid_settings_setnum(fSettings, "synth.sample-rate", pData->engine->getSampleRate());

  61.         //fluid_settings_setnum(fSettings, "synth.cpu-cores", 2);

  62.         fluid_settings_setint(fSettings, "synth.parallel-render", 1);

  63.         fluid_settings_setint(fSettings, "synth.threadsafe-api", 0);

  64. 

  65.         // create synth

  66.         fSynth = new_fluid_synth(fSettings);

  67.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  68. 

  69. #ifdef FLUIDSYNTH_VERSION_NEW_API

  70.         fluid_synth_set_sample_rate(fSynth, (float)pData->engine->getSampleRate());

  71. #endif

  72. 

  73.         // set default values

  74.         fluid_synth_set_reverb_on(fSynth, 1);

  75.         fluid_synth_set_reverb(fSynth, FLUID_REVERB_DEFAULT_ROOMSIZE, FLUID_REVERB_DEFAULT_DAMP, FLUID_REVERB_DEFAULT_WIDTH, FLUID_REVERB_DEFAULT_LEVEL);

  76. 

  77.         fluid_synth_set_chorus_on(fSynth, 1);

  78.         fluid_synth_set_chorus(fSynth, FLUID_CHORUS_DEFAULT_N, FLUID_CHORUS_DEFAULT_LEVEL, FLUID_CHORUS_DEFAULT_SPEED, FLUID_CHORUS_DEFAULT_DEPTH, FLUID_CHORUS_DEFAULT_TYPE);

  79. 

  80.         fluid_synth_set_polyphony(fSynth, FLUID_DEFAULT_POLYPHONY);

  81.         fluid_synth_set_gain(fSynth, 1.0f);

  82. 

  83.         for (int i=0; i < MAX_MIDI_CHANNELS; ++i)

  84.             fluid_synth_set_interp_method(fSynth, i, FLUID_INTERP_DEFAULT);

  85.     }

  86. 

  87.     ~FluidSynthPlugin() override

  88.     {

  89.         carla_debug("FluidSynthPlugin::~FluidSynthPlugin()");

  90. 

  91.         pData->singleMutex.lock();

  92.         pData->masterMutex.lock();

  93. 

  94.         if (pData->client != nullptr && pData->client->isActive())

  95.             pData->client->deactivate();

  96. 

  97.         if (pData->active)

  98.         {

  99.             deactivate();

  100.             pData->active = false;

  101.         }

  102. 

  103.         if (fSynth != nullptr)

  104.         {

  105.             delete_fluid_synth(fSynth);

  106.             fSynth = nullptr;

  107.         }

  108. 

  109.         if (fSettings != nullptr)

  110.         {

  111.             delete_fluid_settings(fSettings);

  112.             fSettings = nullptr;

  113.         }

  114. 

  115.         if (fLabel != nullptr)

  116.         {

  117.             delete[] fLabel;

  118.             fLabel = nullptr;

  119.         }

  120. 

  121.         clearBuffers();

  122.     }

  123. 

  124.     // -------------------------------------------------------------------

  125.     // Information (base)

  126. 

  127.     PluginType getType() const noexcept override

  128.     {

  129.         return PLUGIN_SF2;

  130.     }

  131. 

  132.     PluginCategory getCategory() const override

  133.     {

  134.         return PLUGIN_CATEGORY_SYNTH;

  135.     }

  136. 

  137.     // -------------------------------------------------------------------

  138.     // Information (count)

  139. 

  140.     uint32_t getParameterScalePointCount(const uint32_t parameterId) const override

  141.     {

  142.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0);

  143. 

  144.         switch (parameterId)

  145.         {

  146.         case FluidSynthChorusType:

  147.             return 2;

  148.         case FluidSynthInterpolation:

  149.             return 4;

  150.         default:

  151.             return 0;

  152.         }

  153.     }

  154. 

  155.     // -------------------------------------------------------------------

  156.     // Information (current data)

  157. 

  158.     // nothing

  159. 

  160.     // -------------------------------------------------------------------

  161.     // Information (per-plugin data)

  162. 

  163.     unsigned int getOptionsAvailable() const override

  164.     {

  165.         unsigned int options = 0x0;

  166. 

  167.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  168.         options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  169.         options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  170.         options |= PLUGIN_OPTION_SEND_PITCHBEND;

  171.         options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  172. 

  173.         return options;

  174.     }

  175. 

  176.     float getParameterValue(const uint32_t parameterId) const override

  177.     {

  178.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0.0f);

  179. 

  180.         return fParamBuffers[parameterId];

  181.     }

  182. 

  183.     float getParameterScalePointValue(const uint32_t parameterId, const uint32_t scalePointId) const override

  184.     {

  185.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0.0f);

  186.         CARLA_SAFE_ASSERT_RETURN(scalePointId < getParameterScalePointCount(parameterId), 0.0f);

  187. 

  188.         switch (parameterId)

  189.         {

  190.         case FluidSynthChorusType:

  191.             switch (scalePointId)

  192.             {

  193.             case 0:

  194.                 return FLUID_CHORUS_MOD_SINE;

  195.             case 1:

  196.                 return FLUID_CHORUS_MOD_TRIANGLE;

  197.             default:

  198.                 return FLUID_CHORUS_DEFAULT_TYPE;

  199.             }

  200.         case FluidSynthInterpolation:

  201.             switch (scalePointId)

  202.             {

  203.             case 0:

  204.                 return FLUID_INTERP_NONE;

  205.             case 1:

  206.                 return FLUID_INTERP_LINEAR;

  207.             case 2:

  208.                 return FLUID_INTERP_4THORDER;

  209.             case 3:

  210.                 return FLUID_INTERP_7THORDER;

  211.             default:

  212.                 return FLUID_INTERP_DEFAULT;

  213.             }

  214.         default:

  215.             return 0.0f;

  216.         }

  217.     }

  218. 

  219.     void getLabel(char* const strBuf) const override

  220.     {

  221.         if (fLabel != nullptr)

  222.             std::strncpy(strBuf, fLabel, STR_MAX);

  223.         else

  224.             CarlaPlugin::getLabel(strBuf);

  225.     }

  226. 

  227.     void getMaker(char* const strBuf) const override

  228.     {

  229.         std::strncpy(strBuf, "FluidSynth SF2 engine", STR_MAX);

  230.     }

  231. 

  232.     void getCopyright(char* const strBuf) const override

  233.     {

  234.         std::strncpy(strBuf, "GNU GPL v2+", STR_MAX);

  235.     }

  236. 

  237.     void getRealName(char* const strBuf) const override

  238.     {

  239.         getLabel(strBuf);

  240.     }

  241. 

  242.     void getParameterName(const uint32_t parameterId, char* const strBuf) const override

  243.     {

  244.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,);

  245. 

  246.         switch (parameterId)

  247.         {

  248.         case FluidSynthReverbOnOff:

  249.             std::strncpy(strBuf, "Reverb On/Off", STR_MAX);

  250.             break;

  251.         case FluidSynthReverbRoomSize:

  252.             std::strncpy(strBuf, "Reverb Room Size", STR_MAX);

  253.             break;

  254.         case FluidSynthReverbDamp:

  255.             std::strncpy(strBuf, "Reverb Damp", STR_MAX);

  256.             break;

  257.         case FluidSynthReverbLevel:

  258.             std::strncpy(strBuf, "Reverb Level", STR_MAX);

  259.             break;

  260.         case FluidSynthReverbWidth:

  261.             std::strncpy(strBuf, "Reverb Width", STR_MAX);

  262.             break;

  263.         case FluidSynthChorusOnOff:

  264.             std::strncpy(strBuf, "Chorus On/Off", STR_MAX);

  265.             break;

  266.         case FluidSynthChorusNr:

  267.             std::strncpy(strBuf, "Chorus Voice Count", STR_MAX);

  268.             break;

  269.         case FluidSynthChorusLevel:

  270.             std::strncpy(strBuf, "Chorus Level", STR_MAX);

  271.             break;

  272.         case FluidSynthChorusSpeedHz:

  273.             std::strncpy(strBuf, "Chorus Speed", STR_MAX);

  274.             break;

  275.         case FluidSynthChorusDepthMs:

  276.             std::strncpy(strBuf, "Chorus Depth", STR_MAX);

  277.             break;

  278.         case FluidSynthChorusType:

  279.             std::strncpy(strBuf, "Chorus Type", STR_MAX);

  280.             break;

  281.         case FluidSynthPolyphony:

  282.             std::strncpy(strBuf, "Polyphony", STR_MAX);

  283.             break;

  284.         case FluidSynthInterpolation:

  285.             std::strncpy(strBuf, "Interpolation", STR_MAX);

  286.             break;

  287.         case FluidSynthVoiceCount:

  288.             std::strncpy(strBuf, "Voice Count", STR_MAX);

  289.             break;

  290.         default:

  291.             CarlaPlugin::getParameterName(parameterId, strBuf);

  292.             break;

  293.         }

  294.     }

  295. 

  296.     void getParameterUnit(const uint32_t parameterId, char* const strBuf) const override

  297.     {

  298.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,);

  299. 

  300.         switch (parameterId)

  301.         {

  302.         case FluidSynthChorusSpeedHz:

  303.             std::strncpy(strBuf, "Hz", STR_MAX);

  304.             break;

  305.         case FluidSynthChorusDepthMs:

  306.             std::strncpy(strBuf, "ms", STR_MAX);

  307.             break;

  308.         default:

  309.             CarlaPlugin::getParameterUnit(parameterId, strBuf);

  310.             break;

  311.         }

  312.     }

  313. 

  314.     void getParameterScalePointLabel(const uint32_t parameterId, const uint32_t scalePointId, char* const strBuf) const override

  315.     {

  316.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,);

  317.         CARLA_SAFE_ASSERT_RETURN(scalePointId < getParameterScalePointCount(parameterId),);

  318. 

  319.         switch (parameterId)

  320.         {

  321.         case FluidSynthChorusType:

  322.             switch (scalePointId)

  323.             {

  324.             case 0:

  325.                 std::strncpy(strBuf, "Sine wave", STR_MAX);

  326.                 return;

  327.             case 1:

  328.                 std::strncpy(strBuf, "Triangle wave", STR_MAX);

  329.                 return;

  330.             }

  331.         case FluidSynthInterpolation:

  332.             switch (scalePointId)

  333.             {

  334.             case 0:

  335.                 std::strncpy(strBuf, "None", STR_MAX);

  336.                 return;

  337.             case 1:

  338.                 std::strncpy(strBuf, "Straight-line", STR_MAX);

  339.                 return;

  340.             case 2:

  341.                 std::strncpy(strBuf, "Fourth-order", STR_MAX);

  342.                 return;

  343.             case 3:

  344.                 std::strncpy(strBuf, "Seventh-order", STR_MAX);

  345.                 return;

  346.             }

  347.         }

  348. 

  349.         CarlaPlugin::getParameterScalePointLabel(parameterId, scalePointId, strBuf);

  350.     }

  351. 

  352.     // -------------------------------------------------------------------

  353.     // Set data (state)

  354. 

  355.     void prepareForSave() override

  356.     {

  357.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  358. 

  359.         char strBuf[STR_MAX+1];

  360.         std::snprintf(strBuf, STR_MAX, "%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i", fCurMidiProgs[0],  fCurMidiProgs[1],  fCurMidiProgs[2],  fCurMidiProgs[3],

  361.                                                                                           fCurMidiProgs[4],  fCurMidiProgs[5],  fCurMidiProgs[6],  fCurMidiProgs[7],

  362.                                                                                           fCurMidiProgs[8],  fCurMidiProgs[9],  fCurMidiProgs[10], fCurMidiProgs[11],

  363.                                                                                           fCurMidiProgs[12], fCurMidiProgs[13], fCurMidiProgs[14], fCurMidiProgs[15]);

  364. 

  365.         CarlaPlugin::setCustomData(CUSTOM_DATA_TYPE_STRING, "midiPrograms", strBuf, false);

  366.     }

  367. 

  368.     // -------------------------------------------------------------------

  369.     // Set data (internal stuff)

  370. 

  371.     void setCtrlChannel(const int8_t channel, const bool sendOsc, const bool sendCallback) override

  372.     {

  373.         if (channel < MAX_MIDI_CHANNELS)

  374.             pData->midiprog.current = fCurMidiProgs[channel];

  375. 

  376.         CarlaPlugin::setCtrlChannel(channel, sendOsc, sendCallback);

  377.     }

  378. 

  379.     // -------------------------------------------------------------------

  380.     // Set data (plugin-specific stuff)

  381. 

  382.     void setParameterValue(const uint32_t parameterId, const float value, const bool sendGui, const bool sendOsc, const bool sendCallback) override

  383.     {

  384.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,);

  385. 

  386.         const float fixedValue(pData->param.getFixedValue(parameterId, value));

  387.         fParamBuffers[parameterId] = fixedValue;

  388. 

  389.         {

  390.             const ScopedSingleProcessLocker spl(this, (sendGui || sendOsc || sendCallback));

  391. 

  392.             switch (parameterId)

  393.             {

  394.             case FluidSynthReverbOnOff:

  395.                 fluid_synth_set_reverb_on(fSynth, (fixedValue > 0.5f) ? 1 : 0);

  396.                 break;

  397. 

  398.             case FluidSynthReverbRoomSize:

  399.             case FluidSynthReverbDamp:

  400.             case FluidSynthReverbLevel:

  401.             case FluidSynthReverbWidth:

  402.                 fluid_synth_set_reverb(fSynth, fParamBuffers[FluidSynthReverbRoomSize], fParamBuffers[FluidSynthReverbDamp], fParamBuffers[FluidSynthReverbWidth], fParamBuffers[FluidSynthReverbLevel]);

  403.                 break;

  404. 

  405.             case FluidSynthChorusOnOff:

  406.                 fluid_synth_set_chorus_on(fSynth, (value > 0.5f) ? 1 : 0);

  407.                 break;

  408. 

  409.             case FluidSynthChorusNr:

  410.             case FluidSynthChorusLevel:

  411.             case FluidSynthChorusSpeedHz:

  412.             case FluidSynthChorusDepthMs:

  413.             case FluidSynthChorusType:

  414.                 fluid_synth_set_chorus(fSynth, (int)fParamBuffers[FluidSynthChorusNr], fParamBuffers[FluidSynthChorusLevel], fParamBuffers[FluidSynthChorusSpeedHz], fParamBuffers[FluidSynthChorusDepthMs], (int)fParamBuffers[FluidSynthChorusType]);

  415.                 break;

  416. 

  417.             case FluidSynthPolyphony:

  418.                 fluid_synth_set_polyphony(fSynth, (int)value);

  419.                 break;

  420. 

  421.             case FluidSynthInterpolation:

  422.                 for (int i=0; i < MAX_MIDI_CHANNELS; ++i)

  423.                     fluid_synth_set_interp_method(fSynth, i, (int)value);

  424.                 break;

  425. 

  426.             default:

  427.                 break;

  428.             }

  429.         }

  430. 

  431.         CarlaPlugin::setParameterValue(parameterId, value, sendGui, sendOsc, sendCallback);

  432.     }

  433. 

  434.     void setCustomData(const char* const type, const char* const key, const char* const value, const bool sendGui) override

  435.     {

  436.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  437.         CARLA_SAFE_ASSERT_RETURN(type != nullptr,);

  438.         CARLA_SAFE_ASSERT_RETURN(key != nullptr,);

  439.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

  440.         carla_debug("DssiPlugin::setCustomData(%s, %s, %s, %s)", type, key, value, bool2str(sendGui));

  441. 

  442.         if (std::strcmp(type, CUSTOM_DATA_TYPE_STRING) != 0)

  443.             return carla_stderr2("DssiPlugin::setCustomData(\"%s\", \"%s\", \"%s\", %s) - type is not string", type, key, value, bool2str(sendGui));

  444. 

  445.         if (std::strcmp(key, "midiPrograms") != 0)

  446.             return carla_stderr2("DssiPlugin::setCustomData(\"%s\", \"%s\", \"%s\", %s) - type is not string", type, key, value, bool2str(sendGui));

  447. 

  448. //         QStringList midiProgramList(QString(value).split(":", QString::SkipEmptyParts));

  449. //

  450. //         if (midiProgramList.count() == MAX_MIDI_CHANNELS)

  451. //         {

  452. //             uint i = 0;

  453. //             foreach (const QString& midiProg, midiProgramList)

  454. //             {

  455. //                 bool ok;

  456. //                 uint index = midiProg.toUInt(&ok);

  457. //

  458. //                 if (ok && index < pData->midiprog.count)

  459. //                 {

  460. //                     const uint32_t bank    = pData->midiprog.data[index].bank;

  461. //                     const uint32_t program = pData->midiprog.data[index].program;

  462. //

  463. //                     fluid_synth_program_select(fSynth, i, fSynthId, bank, program);

  464. //                     fCurMidiProgs[i] = index;

  465. //

  466. //                     if (pData->ctrlChannel == static_cast<int32_t>(i))

  467. //                     {

  468. //                         pData->midiprog.current = index;

  469. //                         pData->engine->callback(CALLBACK_MIDI_PROGRAM_CHANGED, pData->id, index, 0, 0.0f, nullptr);

  470. //                     }

  471. //                 }

  472. //

  473. //                 ++i;

  474. //             }

  475. //         }

  476. 

  477.         CarlaPlugin::setCustomData(type, key, value, sendGui);

  478.     }

  479. 

  480.     void setMidiProgram(int32_t index, const bool sendGui, const bool sendOsc, const bool sendCallback) override

  481.     {

  482.         CARLA_ASSERT(fSynth != nullptr);

  483.         CARLA_ASSERT(index >= -1 && index < static_cast<int32_t>(pData->midiprog.count));

  484. 

  485.         if (index < -1)

  486.             index = -1;

  487.         else if (index > static_cast<int32_t>(pData->midiprog.count))

  488.             return;

  489. 

  490.         if (pData->ctrlChannel < 0 || pData->ctrlChannel >= MAX_MIDI_CHANNELS)

  491.             return;

  492. 

  493.         if (index >= 0)

  494.         {

  495.             const uint32_t bank    = pData->midiprog.data[index].bank;

  496.             const uint32_t program = pData->midiprog.data[index].program;

  497. 

  498.             //const ScopedSingleProcessLocker spl(this, (sendGui || sendOsc || sendCallback));

  499.             fluid_synth_program_select(fSynth, pData->ctrlChannel, fSynthId, bank, program);

  500.             fCurMidiProgs[pData->ctrlChannel] = index;

  501.         }

  502. 

  503.         CarlaPlugin::setMidiProgram(index, sendGui, sendOsc, sendCallback);

  504.     }

  505. 

  506.     // -------------------------------------------------------------------

  507.     // Set gui stuff

  508. 

  509.     // nothing

  510. 

  511.     // -------------------------------------------------------------------

  512.     // Plugin state

  513. 

  514.     void reload() override

  515.     {

  516.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr,);

  517.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  518.         carla_debug("FluidSynthPlugin::reload() - start");

  519. 

  520.         const EngineProcessMode processMode(pData->engine->getProccessMode());

  521. 

  522.         // Safely disable plugin for reload

  523.         const ScopedDisabler sd(this);

  524. 

  525.         if (pData->active)

  526.             deactivate();

  527. 

  528.         clearBuffers();

  529. 

  530.         uint32_t aOuts, params, j;

  531.         aOuts  = kUses16Outs ? 32 : 2;

  532.         params = FluidSynthParametersMax;

  533. 

  534.         pData->audioOut.createNew(aOuts);

  535.         pData->param.createNew(params);

  536. 

  537.         const int portNameSize(pData->engine->getMaxPortNameSize());

  538.         CarlaString portName;

  539. 

  540.         // ---------------------------------------

  541.         // Audio Outputs

  542. 

  543.         if (kUses16Outs)

  544.         {

  545.             for (j=0; j < 32; ++j)

  546.             {

  547.                 portName.clear();

  548. 

  549.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  550.                 {

  551.                     portName  = pData->name;

  552.                     portName += ":";

  553.                 }

  554. 

  555.                 portName += "out-";

  556. 

  557.                 if ((j+2)/2 < 9)

  558.                     portName += "0";

  559. 

  560.                 portName += CarlaString((j+2)/2);

  561. 

  562.                 if (j % 2 == 0)

  563.                     portName += "L";

  564.                 else

  565.                     portName += "R";

  566. 

  567.                 portName.truncate(portNameSize);

  568. 

  569.                 pData->audioOut.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false);

  570.                 pData->audioOut.ports[j].rindex = j;

  571.             }

  572. 

  573.             fAudio16Buffers = new float*[aOuts];

  574. 

  575.             for (j=0; j < aOuts; ++j)

  576.                 fAudio16Buffers[j] = nullptr;

  577.         }

  578.         else

  579.         {

  580.             // out-left

  581.             portName.clear();

  582. 

  583.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  584.             {

  585.                 portName  = pData->name;

  586.                 portName += ":";

  587.             }

  588. 

  589.             portName += "out-left";

  590.             portName.truncate(portNameSize);

  591. 

  592.             pData->audioOut.ports[0].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false);

  593.             pData->audioOut.ports[0].rindex = 0;

  594. 

  595.             // out-right

  596.             portName.clear();

  597. 

  598.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  599.             {

  600.                 portName  = pData->name;

  601.                 portName += ":";

  602.             }

  603. 

  604.             portName += "out-right";

  605.             portName.truncate(portNameSize);

  606. 

  607.             pData->audioOut.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false);

  608.             pData->audioOut.ports[1].rindex = 1;

  609.         }

  610. 

  611.         // ---------------------------------------

  612.         // Event Input

  613. 

  614.         {

  615.             portName.clear();

  616. 

  617.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  618.             {

  619.                 portName  = pData->name;

  620.                 portName += ":";

  621.             }

  622. 

  623.             portName += "event-in";

  624.             portName.truncate(portNameSize);

  625. 

  626.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  627.         }

  628. 

  629.         // ---------------------------------------

  630.         // Event Output

  631. 

  632.         {

  633.             portName.clear();

  634. 

  635.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  636.             {

  637.                 portName  = pData->name;

  638.                 portName += ":";

  639.             }

  640. 

  641.             portName += "event-out";

  642.             portName.truncate(portNameSize);

  643. 

  644.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  645.         }

  646. 

  647.         // ----------------------

  648.         j = FluidSynthReverbOnOff;

  649.         pData->param.data[j].type   = PARAMETER_INPUT;

  650.         pData->param.data[j].hints  = PARAMETER_IS_ENABLED /*| PARAMETER_IS_AUTOMABLE*/ | PARAMETER_IS_BOOLEAN;

  651.         pData->param.data[j].index  = j;

  652.         pData->param.data[j].rindex = j;

  653.         pData->param.data[j].midiChannel = 0;

  654.         pData->param.data[j].midiCC = -1;

  655.         pData->param.ranges[j].min = 0.0f;

  656.         pData->param.ranges[j].max = 1.0f;

  657.         pData->param.ranges[j].def = 1.0f;

  658.         pData->param.ranges[j].step = 1.0f;

  659.         pData->param.ranges[j].stepSmall = 1.0f;

  660.         pData->param.ranges[j].stepLarge = 1.0f;

  661.         fParamBuffers[j] = pData->param.ranges[j].def;

  662. 

  663.         // ----------------------

  664.         j = FluidSynthReverbRoomSize;

  665.         pData->param.data[j].type   = PARAMETER_INPUT;

  666.         pData->param.data[j].hints  = PARAMETER_IS_ENABLED /*| PARAMETER_IS_AUTOMABLE*/;

  667.         pData->param.data[j].index  = j;

  668.         pData->param.data[j].rindex = j;

  669.         pData->param.data[j].midiChannel = 0;

  670.         pData->param.data[j].midiCC = -1;

  671.         pData->param.ranges[j].min = 0.0f;

  672.         pData->param.ranges[j].max = 1.2f;

  673.         pData->param.ranges[j].def = FLUID_REVERB_DEFAULT_ROOMSIZE;

  674.         pData->param.ranges[j].step = 0.01f;

  675.         pData->param.ranges[j].stepSmall = 0.0001f;

  676.         pData->param.ranges[j].stepLarge = 0.1f;

  677.         fParamBuffers[j] = pData->param.ranges[j].def;

  678. 

  679.         // ----------------------

  680.         j = FluidSynthReverbDamp;

  681.         pData->param.data[j].type   = PARAMETER_INPUT;

  682.         pData->param.data[j].hints  = PARAMETER_IS_ENABLED /*| PARAMETER_IS_AUTOMABLE*/;

  683.         pData->param.data[j].index  = j;

  684.         pData->param.data[j].rindex = j;

  685.         pData->param.data[j].midiChannel = 0;

  686.         pData->param.data[j].midiCC = -1;

  687.         pData->param.ranges[j].min = 0.0f;

  688.         pData->param.ranges[j].max = 1.0f;

  689.         pData->param.ranges[j].def = FLUID_REVERB_DEFAULT_DAMP;

  690.         pData->param.ranges[j].step = 0.01f;

  691.         pData->param.ranges[j].stepSmall = 0.0001f;

  692.         pData->param.ranges[j].stepLarge = 0.1f;

  693.         fParamBuffers[j] = pData->param.ranges[j].def;

  694. 

  695.         // ----------------------

  696.         j = FluidSynthReverbLevel;

  697.         pData->param.data[j].type   = PARAMETER_INPUT;

  698.         pData->param.data[j].hints  = PARAMETER_IS_ENABLED /*| PARAMETER_IS_AUTOMABLE*/;

  699.         pData->param.data[j].index  = j;

  700.         pData->param.data[j].rindex = j;

  701.         pData->param.data[j].midiChannel = 0;

  702.         pData->param.data[j].midiCC = MIDI_CONTROL_REVERB_SEND_LEVEL;

  703.         pData->param.ranges[j].min = 0.0f;

  704.         pData->param.ranges[j].max = 1.0f;

  705.         pData->param.ranges[j].def = FLUID_REVERB_DEFAULT_LEVEL;

  706.         pData->param.ranges[j].step = 0.01f;

  707.         pData->param.ranges[j].stepSmall = 0.0001f;

  708.         pData->param.ranges[j].stepLarge = 0.1f;

  709.         fParamBuffers[j] = pData->param.ranges[j].def;

  710. 

  711.         // ----------------------

  712.         j = FluidSynthReverbWidth;

  713.         pData->param.data[j].type   = PARAMETER_INPUT;

  714.         pData->param.data[j].hints  = PARAMETER_IS_ENABLED /*| PARAMETER_IS_AUTOMABLE*/;

  715.         pData->param.data[j].index  = j;

  716.         pData->param.data[j].rindex = j;

  717.         pData->param.data[j].midiChannel = 0;

  718.         pData->param.data[j].midiCC = -1;

  719.         pData->param.ranges[j].min = 0.0f;

  720.         pData->param.ranges[j].max = 10.0f; // should be 100, but that sounds too much

  721.         pData->param.ranges[j].def = FLUID_REVERB_DEFAULT_WIDTH;

  722.         pData->param.ranges[j].step = 0.01f;

  723.         pData->param.ranges[j].stepSmall = 0.0001f;

  724.         pData->param.ranges[j].stepLarge = 0.1f;

  725.         fParamBuffers[j] = pData->param.ranges[j].def;

  726. 

  727.         // ----------------------

  728.         j = FluidSynthChorusOnOff;

  729.         pData->param.data[j].type   = PARAMETER_INPUT;

  730.         pData->param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_BOOLEAN;

  731.         pData->param.data[j].index  = j;

  732.         pData->param.data[j].rindex = j;

  733.         pData->param.data[j].midiChannel = 0;

  734.         pData->param.data[j].midiCC = -1;

  735.         pData->param.ranges[j].min = 0.0f;

  736.         pData->param.ranges[j].max = 1.0f;

  737.         pData->param.ranges[j].def = 1.0f;

  738.         pData->param.ranges[j].step = 1.0f;

  739.         pData->param.ranges[j].stepSmall = 1.0f;

  740.         pData->param.ranges[j].stepLarge = 1.0f;

  741.         fParamBuffers[j] = pData->param.ranges[j].def;

  742. 

  743.         // ----------------------

  744.         j = FluidSynthChorusNr;

  745.         pData->param.data[j].type   = PARAMETER_INPUT;

  746.         pData->param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_INTEGER;

  747.         pData->param.data[j].index  = j;

  748.         pData->param.data[j].rindex = j;

  749.         pData->param.data[j].midiChannel = 0;

  750.         pData->param.data[j].midiCC = -1;

  751.         pData->param.ranges[j].min = 0.0f;

  752.         pData->param.ranges[j].max = 99.0f;

  753.         pData->param.ranges[j].def = FLUID_CHORUS_DEFAULT_N;

  754.         pData->param.ranges[j].step = 1.0f;

  755.         pData->param.ranges[j].stepSmall = 1.0f;

  756.         pData->param.ranges[j].stepLarge = 10.0f;

  757.         fParamBuffers[j] = pData->param.ranges[j].def;

  758. 

  759.         // ----------------------

  760.         j = FluidSynthChorusLevel;

  761.         pData->param.data[j].type   = PARAMETER_INPUT;

  762.         pData->param.data[j].hints  = PARAMETER_IS_ENABLED;

  763.         pData->param.data[j].index  = j;

  764.         pData->param.data[j].rindex = j;

  765.         pData->param.data[j].midiChannel = 0;

  766.         pData->param.data[j].midiCC = 0; //MIDI_CONTROL_CHORUS_SEND_LEVEL;

  767.         pData->param.ranges[j].min = 0.0f;

  768.         pData->param.ranges[j].max = 10.0f;

  769.         pData->param.ranges[j].def = FLUID_CHORUS_DEFAULT_LEVEL;

  770.         pData->param.ranges[j].step = 0.01f;

  771.         pData->param.ranges[j].stepSmall = 0.0001f;

  772.         pData->param.ranges[j].stepLarge = 0.1f;

  773.         fParamBuffers[j] = pData->param.ranges[j].def;

  774. 

  775.         // ----------------------

  776.         j = FluidSynthChorusSpeedHz;

  777.         pData->param.data[j].type   = PARAMETER_INPUT;

  778.         pData->param.data[j].hints  = PARAMETER_IS_ENABLED;

  779.         pData->param.data[j].index  = j;

  780.         pData->param.data[j].rindex = j;

  781.         pData->param.data[j].midiChannel = 0;

  782.         pData->param.data[j].midiCC = -1;

  783.         pData->param.ranges[j].min = 0.29f;

  784.         pData->param.ranges[j].max = 5.0f;

  785.         pData->param.ranges[j].def = FLUID_CHORUS_DEFAULT_SPEED;

  786.         pData->param.ranges[j].step = 0.01f;

  787.         pData->param.ranges[j].stepSmall = 0.0001f;

  788.         pData->param.ranges[j].stepLarge = 0.1f;

  789.         fParamBuffers[j] = pData->param.ranges[j].def;

  790. 

  791.         // ----------------------

  792.         j = FluidSynthChorusDepthMs;

  793.         pData->param.data[j].type   = PARAMETER_INPUT;

  794.         pData->param.data[j].hints  = PARAMETER_IS_ENABLED;

  795.         pData->param.data[j].index  = j;

  796.         pData->param.data[j].rindex = j;

  797.         pData->param.data[j].midiChannel = 0;

  798.         pData->param.data[j].midiCC = -1;

  799.         pData->param.ranges[j].min = 0.0f;

  800.         pData->param.ranges[j].max = float(2048.0 * 1000.0 / pData->engine->getSampleRate()); // FIXME?

  801.         pData->param.ranges[j].def = FLUID_CHORUS_DEFAULT_DEPTH;

  802.         pData->param.ranges[j].step = 0.01f;

  803.         pData->param.ranges[j].stepSmall = 0.0001f;

  804.         pData->param.ranges[j].stepLarge = 0.1f;

  805.         fParamBuffers[j] = pData->param.ranges[j].def;

  806. 

  807.         // ----------------------

  808.         j = FluidSynthChorusType;

  809.         pData->param.data[j].type   = PARAMETER_INPUT;

  810.         pData->param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_INTEGER | PARAMETER_USES_SCALEPOINTS;

  811.         pData->param.data[j].index  = j;

  812.         pData->param.data[j].rindex = j;

  813.         pData->param.data[j].midiChannel = 0;

  814.         pData->param.data[j].midiCC = -1;

  815.         pData->param.ranges[j].min = FLUID_CHORUS_MOD_SINE;

  816.         pData->param.ranges[j].max = FLUID_CHORUS_MOD_TRIANGLE;

  817.         pData->param.ranges[j].def = FLUID_CHORUS_DEFAULT_TYPE;

  818.         pData->param.ranges[j].step = 1.0f;

  819.         pData->param.ranges[j].stepSmall = 1.0f;

  820.         pData->param.ranges[j].stepLarge = 1.0f;

  821.         fParamBuffers[j] = pData->param.ranges[j].def;

  822. 

  823.         // ----------------------

  824.         j = FluidSynthPolyphony;

  825.         pData->param.data[j].type   = PARAMETER_INPUT;

  826.         pData->param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_INTEGER;

  827.         pData->param.data[j].index  = j;

  828.         pData->param.data[j].rindex = j;

  829.         pData->param.data[j].midiChannel = 0;

  830.         pData->param.data[j].midiCC = -1;

  831.         pData->param.ranges[j].min = 1.0f;

  832.         pData->param.ranges[j].max = 512.0f; // max theoric is 65535

  833.         pData->param.ranges[j].def = (float)fluid_synth_get_polyphony(fSynth);

  834.         pData->param.ranges[j].step = 1.0f;

  835.         pData->param.ranges[j].stepSmall = 1.0f;

  836.         pData->param.ranges[j].stepLarge = 10.0f;

  837.         fParamBuffers[j] = pData->param.ranges[j].def;

  838. 

  839.         // ----------------------

  840.         j = FluidSynthInterpolation;

  841.         pData->param.data[j].type   = PARAMETER_INPUT;

  842.         pData->param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_INTEGER | PARAMETER_USES_SCALEPOINTS;

  843.         pData->param.data[j].index  = j;

  844.         pData->param.data[j].rindex = j;

  845.         pData->param.data[j].midiChannel = 0;

  846.         pData->param.data[j].midiCC = -1;

  847.         pData->param.ranges[j].min = FLUID_INTERP_NONE;

  848.         pData->param.ranges[j].max = FLUID_INTERP_HIGHEST;

  849.         pData->param.ranges[j].def = FLUID_INTERP_DEFAULT;

  850.         pData->param.ranges[j].step = 1.0f;

  851.         pData->param.ranges[j].stepSmall = 1.0f;

  852.         pData->param.ranges[j].stepLarge = 1.0f;

  853.         fParamBuffers[j] = pData->param.ranges[j].def;

  854. 

  855.         // ----------------------

  856.         j = FluidSynthVoiceCount;

  857.         pData->param.data[j].type   = PARAMETER_OUTPUT;

  858.         pData->param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_AUTOMABLE | PARAMETER_IS_INTEGER;

  859.         pData->param.data[j].index  = j;

  860.         pData->param.data[j].rindex = j;

  861.         pData->param.data[j].midiChannel = 0;

  862.         pData->param.data[j].midiCC = -1;

  863.         pData->param.ranges[j].min = 0.0f;

  864.         pData->param.ranges[j].max = 65535.0f;

  865.         pData->param.ranges[j].def = 0.0f;

  866.         pData->param.ranges[j].step = 1.0f;

  867.         pData->param.ranges[j].stepSmall = 1.0f;

  868.         pData->param.ranges[j].stepLarge = 1.0f;

  869.         fParamBuffers[j] = pData->param.ranges[j].def;

  870. 

  871.         // ---------------------------------------

  872. 

  873.         // plugin hints

  874.         pData->hints  = 0x0;

  875.         pData->hints |= PLUGIN_IS_SYNTH;

  876.         pData->hints |= PLUGIN_CAN_VOLUME;

  877.         pData->hints |= PLUGIN_CAN_BALANCE;

  878. 

  879.         // extra plugin hints

  880.         pData->extraHints  = 0x0;

  881.         pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  882.         pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  883. 

  884.         bufferSizeChanged(pData->engine->getBufferSize());

  885.         reloadPrograms(true);

  886. 

  887.         if (pData->active)

  888.             activate();

  889. 

  890.         carla_debug("FluidSynthPlugin::reload() - end");

  891.     }

  892. 

  893.     void reloadPrograms(const bool init) override

  894.     {

  895.         carla_debug("FluidSynthPlugin::reloadPrograms(%s)", bool2str(init));

  896. 

  897.         // Delete old programs

  898.         pData->midiprog.clear();

  899. 

  900.         // Query new programs

  901.         uint32_t count = 0;

  902.         fluid_sfont_t* f_sfont;

  903.         fluid_preset_t f_preset;

  904. 

  905.         bool hasDrums = false;

  906.         uint32_t drumIndex, drumProg;

  907. 

  908.         f_sfont = fluid_synth_get_sfont_by_id(fSynth, fSynthId);

  909. 

  910.         // initial check to know how much midi-programs we have

  911.         f_sfont->iteration_start(f_sfont);

  912.         while (f_sfont->iteration_next(f_sfont, &f_preset))

  913.             count += 1;

  914. 

  915.         // soundfonts must always have at least 1 midi-program

  916.         CARLA_ASSERT(count > 0);

  917. 

  918.         if (count == 0)

  919.             return;

  920. 

  921.         pData->midiprog.createNew(count);

  922. 

  923.         // Update data

  924.         uint32_t i = 0;

  925.         f_sfont->iteration_start(f_sfont);

  926. 

  927.         while (f_sfont->iteration_next(f_sfont, &f_preset))

  928.         {

  929.             CARLA_ASSERT(i < pData->midiprog.count);

  930.             pData->midiprog.data[i].bank    = f_preset.get_banknum(&f_preset);

  931.             pData->midiprog.data[i].program = f_preset.get_num(&f_preset);

  932.             pData->midiprog.data[i].name    = carla_strdup(f_preset.get_name(&f_preset));

  933. 

  934.             if (pData->midiprog.data[i].bank == 128 && ! hasDrums)

  935.             {

  936.                 hasDrums  = true;

  937.                 drumIndex = i;

  938.                 drumProg  = pData->midiprog.data[i].program;

  939.             }

  940. 

  941.             ++i;

  942.         }

  943. 

  944.         //f_sfont->free(f_sfont);

  945. 

  946. #ifndef BUILD_BRIDGE

  947.         // Update OSC Names

  948.         if (pData->engine->isOscControlRegistered())

  949.         {

  950.             pData->engine->oscSend_control_set_midi_program_count(pData->id, count);

  951. 

  952.             for (i=0; i < count; ++i)

  953.                 pData->engine->oscSend_control_set_midi_program_data(pData->id, i, pData->midiprog.data[i].bank, pData->midiprog.data[i].program, pData->midiprog.data[i].name);

  954.         }

  955. #endif

  956. 

  957.         if (init)

  958.         {

  959.             fluid_synth_program_reset(fSynth);

  960. 

  961.             // select first program, or 128 for ch10

  962.             for (i=0; i < MAX_MIDI_CHANNELS && i != 9; ++i)

  963.             {

  964. #ifdef FLUIDSYNTH_VERSION_NEW_API

  965.                 fluid_synth_set_channel_type(fSynth, i, CHANNEL_TYPE_MELODIC);

  966. #endif

  967.                 fluid_synth_program_select(fSynth, i, fSynthId, pData->midiprog.data[0].bank, pData->midiprog.data[0].program);

  968. 

  969.                 fCurMidiProgs[i] = 0;

  970.             }

  971. 

  972.             if (hasDrums)

  973.             {

  974. #ifdef FLUIDSYNTH_VERSION_NEW_API

  975.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_DRUM);

  976. #endif

  977.                 fluid_synth_program_select(fSynth, 9, fSynthId, 128, drumProg);

  978. 

  979.                 fCurMidiProgs[9] = drumIndex;

  980.             }

  981.             else

  982.             {

  983. #ifdef FLUIDSYNTH_VERSION_NEW_API

  984.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_MELODIC);

  985. #endif

  986.                 fluid_synth_program_select(fSynth, 9, fSynthId, pData->midiprog.data[0].bank, pData->midiprog.data[0].program);

  987. 

  988.                 fCurMidiProgs[9] = 0;

  989.             }

  990. 

  991.             pData->midiprog.current = 0;

  992.         }

  993.         else

  994.         {

  995.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  996.         }

  997.     }

  998. 

  999.     // -------------------------------------------------------------------

  1000.     // Plugin processing

  1001. 

  1002.     void process(float** const, float** const outBuffer, const uint32_t frames) override

  1003.     {

  1004.         uint32_t i, k;

  1005. 

  1006.         // --------------------------------------------------------------------------------------------------------

  1007.         // Check if active

  1008. 

  1009.         if (! pData->active)

  1010.         {

  1011.             // disable any output sound

  1012.             for (i=0; i < pData->audioOut.count; ++i)

  1013.             {

  1014. #ifdef HAVE_JUCE

  1015.                 FloatVectorOperations::clear(outBuffer[i], frames);

  1016. #else

  1017. #endif

  1018.             }

  1019. 

  1020.             return;

  1021.         }

  1022. 

  1023.         // --------------------------------------------------------------------------------------------------------

  1024.         // Check if needs reset

  1025. 

  1026.         if (pData->needsReset)

  1027.         {

  1028.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1029.             {

  1030.                 for (int c=0; c < MAX_MIDI_CHANNELS; ++c)

  1031.                 {

  1032. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1033.                     fluid_synth_all_notes_off(fSynth, c);

  1034.                     fluid_synth_all_sounds_off(fSynth, c);

  1035. #else

  1036.                     fluid_synth_cc(fSynth, c, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1037.                     fluid_synth_cc(fSynth, c, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1038. #endif

  1039.                 }

  1040.             }

  1041.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1042.             {

  1043.                 for (k=0; k < MAX_MIDI_NOTE; ++k)

  1044.                     fluid_synth_noteoff(fSynth, pData->ctrlChannel, k);

  1045.             }

  1046. 

  1047.             pData->needsReset = false;

  1048.         }

  1049. 

  1050.         // --------------------------------------------------------------------------------------------------------

  1051.         // Event Input and Processing

  1052. 

  1053.         {

  1054.             // ----------------------------------------------------------------------------------------------------

  1055.             // MIDI Input (External)

  1056. 

  1057.             if (pData->extNotes.mutex.tryLock())

  1058.             {

  1059.                 while (! pData->extNotes.data.isEmpty())

  1060.                 {

  1061.                     const ExternalMidiNote& note(pData->extNotes.data.getFirst(true));

  1062. 

  1063.                     CARLA_ASSERT(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1064. 

  1065.                     if (note.velo > 0)

  1066.                         fluid_synth_noteon(fSynth, note.channel, note.note, note.velo);

  1067.                     else

  1068.                         fluid_synth_noteoff(fSynth,note.channel, note.note);

  1069.                 }

  1070. 

  1071.                 pData->extNotes.mutex.unlock();

  1072. 

  1073.             } // End of MIDI Input (External)

  1074. 

  1075.             // ----------------------------------------------------------------------------------------------------

  1076.             // Event Input (System)

  1077. 

  1078.             bool allNotesOffSent = false;

  1079. 

  1080.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1081.             uint32_t timeOffset = 0;

  1082. 

  1083.             uint32_t nextBankIds[MAX_MIDI_CHANNELS] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  1084. 

  1085.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1086.                 nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1087. 

  1088.             for (i=0; i < nEvents; ++i)

  1089.             {

  1090.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1091. 

  1092.                 time = event.time;

  1093. 

  1094.                 if (time >= frames)

  1095.                     continue;

  1096. 

  1097.                 CARLA_ASSERT_INT2(time >= timeOffset, time, timeOffset);

  1098. 

  1099.                 if (time > timeOffset)

  1100.                 {

  1101.                     if (processSingle(outBuffer, time - timeOffset, timeOffset))

  1102.                     {

  1103.                         timeOffset = time;

  1104. 

  1105.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < 16)

  1106.                             nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1107.                     }

  1108.                 }

  1109. 

  1110.                 // Control change

  1111.                 switch (event.type)

  1112.                 {

  1113.                 case kEngineEventTypeNull:

  1114.                     break;

  1115. 

  1116.                 case kEngineEventTypeControl:

  1117.                 {

  1118.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1119. 

  1120.                     switch (ctrlEvent.type)

  1121.                     {

  1122.                     case kEngineControlEventTypeNull:

  1123.                         break;

  1124. 

  1125.                     case kEngineControlEventTypeParameter:

  1126.                     {

  1127. #ifndef BUILD_BRIDGE

  1128.                         // Control backend stuff

  1129.                         if (event.channel == pData->ctrlChannel)

  1130.                         {

  1131.                             float value;

  1132. 

  1133.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) > 0)

  1134.                             {

  1135.                                 value = ctrlEvent.value;

  1136.                                 setDryWet(value, false, false);

  1137.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1138.                             }

  1139. 

  1140.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) > 0)

  1141.                             {

  1142.                                 value = ctrlEvent.value*127.0f/100.0f;

  1143.                                 setVolume(value, false, false);

  1144.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1145.                             }

  1146. 

  1147.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) > 0)

  1148.                             {

  1149.                                 float left, right;

  1150.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1151. 

  1152.                                 if (value < 0.0f)

  1153.                                 {

  1154.                                     left  = -1.0f;

  1155.                                     right = (value*2.0f)+1.0f;

  1156.                                 }

  1157.                                 else if (value > 0.0f)

  1158.                                 {

  1159.                                     left  = (value*2.0f)-1.0f;

  1160.                                     right = 1.0f;

  1161.                                 }

  1162.                                 else

  1163.                                 {

  1164.                                     left  = -1.0f;

  1165.                                     right = 1.0f;

  1166.                                 }

  1167. 

  1168.                                 setBalanceLeft(left, false, false);

  1169.                                 setBalanceRight(right, false, false);

  1170.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1171.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1172.                             }

  1173.                         }

  1174. #endif

  1175. 

  1176.                         // Control plugin parameters

  1177.                         for (k=0; k < pData->param.count; ++k)

  1178.                         {

  1179.                             if (pData->param.data[k].midiChannel != event.channel)

  1180.                                 continue;

  1181.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1182.                                 continue;

  1183.                             if (pData->param.data[k].hints != PARAMETER_INPUT)

  1184.                                 continue;

  1185.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1186.                                 continue;

  1187. 

  1188.                             float value;

  1189. 

  1190.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1191.                             {

  1192.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1193.                             }

  1194.                             else

  1195.                             {

  1196.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1197. 

  1198.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1199.                                     value = std::rint(value);

  1200.                             }

  1201. 

  1202.                             setParameterValue(k, value, false, false, false);

  1203.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1204.                         }

  1205. 

  1206.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1207.                         {

  1208.                             fluid_synth_cc(fSynth, event.channel, ctrlEvent.param, int(ctrlEvent.value*127.0f));

  1209.                         }

  1210. 

  1211.                         break;

  1212.                     }

  1213. 

  1214.                     case kEngineControlEventTypeMidiBank:

  1215.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1216.                             nextBankIds[event.channel] = ctrlEvent.param;

  1217.                         break;

  1218. 

  1219.                     case kEngineControlEventTypeMidiProgram:

  1220.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1221.                         {

  1222.                             const uint32_t bankId(nextBankIds[event.channel]);

  1223.                             const uint32_t progId(ctrlEvent.param);

  1224. 

  1225.                             for (k=0; k < pData->midiprog.count; ++k)

  1226.                             {

  1227.                                 if (pData->midiprog.data[k].bank == bankId && pData->midiprog.data[k].program == progId)

  1228.                                 {

  1229.                                     fluid_synth_program_select(fSynth, event.channel, fSynthId, bankId, progId);

  1230.                                     fCurMidiProgs[event.channel] = k;

  1231. 

  1232.                                     if (event.channel == pData->ctrlChannel)

  1233.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, k, 0, 0.0f);

  1234. 

  1235.                                     break;

  1236.                                 }

  1237.                             }

  1238.                         }

  1239.                         break;

  1240. 

  1241.                     case kEngineControlEventTypeAllSoundOff:

  1242.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1243.                         {

  1244. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1245.                             fluid_synth_all_sounds_off(fSynth, event.channel);

  1246. #else

  1247.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1248. #endif

  1249.                         }

  1250.                         break;

  1251. 

  1252.                     case kEngineControlEventTypeAllNotesOff:

  1253.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1254.                         {

  1255.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1256.                             {

  1257.                                 allNotesOffSent = true;

  1258.                                 sendMidiAllNotesOffToCallback();

  1259.                             }

  1260. 

  1261. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1262.                             fluid_synth_all_notes_off(fSynth, event.channel);

  1263. #else

  1264.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1265. #endif

  1266.                         }

  1267.                         break;

  1268.                     }

  1269. 

  1270.                     break;

  1271.                 }

  1272. 

  1273.                 case kEngineEventTypeMidi:

  1274.                 {

  1275.                     const EngineMidiEvent& midiEvent(event.midi);

  1276. 

  1277.                     uint8_t status  = MIDI_GET_STATUS_FROM_DATA(midiEvent.data);

  1278.                     uint8_t channel = event.channel;

  1279. 

  1280.                     // Fix bad note-off

  1281.                     if (MIDI_IS_STATUS_NOTE_ON(status) && midiEvent.data[2] == 0)

  1282.                         status = MIDI_STATUS_NOTE_OFF;

  1283. 

  1284.                     if (MIDI_IS_STATUS_NOTE_OFF(status))

  1285.                     {

  1286.                         const uint8_t note = midiEvent.data[1];

  1287. 

  1288.                         fluid_synth_noteoff(fSynth, channel, note);

  1289. 

  1290.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0f);

  1291.                     }

  1292.                     else if (MIDI_IS_STATUS_NOTE_ON(status))

  1293.                     {

  1294.                         const uint8_t note = midiEvent.data[1];

  1295.                         const uint8_t velo = midiEvent.data[2];

  1296. 

  1297.                         fluid_synth_noteon(fSynth, channel, note, velo);

  1298. 

  1299.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1300.                     }

  1301.                     else if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) != 0)

  1302.                     {

  1303.                         //const uint8_t note     = midiEvent.data[1];

  1304.                         //const uint8_t pressure = midiEvent.data[2];

  1305. 

  1306.                         // TODO, not in fluidsynth API

  1307.                     }

  1308.                     else if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0)

  1309.                     {

  1310.                         const uint8_t control = midiEvent.data[1];

  1311.                         const uint8_t value   = midiEvent.data[2];

  1312. 

  1313.                         fluid_synth_cc(fSynth, channel, control, value);

  1314.                     }

  1315.                     else if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) != 0)

  1316.                     {

  1317.                         const uint8_t pressure = midiEvent.data[1];

  1318. 

  1319.                         fluid_synth_channel_pressure(fSynth, channel, pressure);;

  1320.                     }

  1321.                     else if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) != 0)

  1322.                     {

  1323.                         const uint8_t lsb = midiEvent.data[1];

  1324.                         const uint8_t msb = midiEvent.data[2];

  1325. 

  1326.                         fluid_synth_pitch_bend(fSynth, channel, (msb << 7) | lsb);

  1327.                     }

  1328. 

  1329.                     break;

  1330.                 }

  1331.                 }

  1332.             }

  1333. 

  1334.             pData->postRtEvents.trySplice();

  1335. 

  1336.             if (frames > timeOffset)

  1337.                 processSingle(outBuffer, frames - timeOffset, timeOffset);

  1338. 

  1339.         } // End of Event Input and Processing

  1340. 

  1341.         CARLA_PROCESS_CONTINUE_CHECK;

  1342. 

  1343.         // --------------------------------------------------------------------------------------------------------

  1344.         // Control Output

  1345. 

  1346.         {

  1347.             k = FluidSynthVoiceCount;

  1348.             fParamBuffers[k] = (float)fluid_synth_get_active_voice_count(fSynth);

  1349.             pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1350. 

  1351.             if (pData->param.data[k].midiCC > 0)

  1352.             {

  1353.                 float value(pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]));

  1354.                 pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, pData->param.data[k].midiCC, value);

  1355.             }

  1356. 

  1357.         } // End of Control Output

  1358.     }

  1359. 

  1360.     bool processSingle(float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1361.     {

  1362.         CARLA_SAFE_ASSERT_RETURN(outBuffer != nullptr, false);

  1363.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1364. 

  1365.         uint32_t i, k;

  1366. 

  1367.         // --------------------------------------------------------------------------------------------------------

  1368.         // Try lock, silence otherwise

  1369. 

  1370.         if (pData->engine->isOffline())

  1371.         {

  1372.             pData->singleMutex.lock();

  1373.         }

  1374.         else if (! pData->singleMutex.tryLock())

  1375.         {

  1376.             for (i=0; i < pData->audioOut.count; ++i)

  1377.             {

  1378.                 for (k=0; k < frames; ++k)

  1379.                     outBuffer[i][k+timeOffset] = 0.0f;

  1380.             }

  1381. 

  1382.             return false;

  1383.         }

  1384. 

  1385.         // --------------------------------------------------------------------------------------------------------

  1386.         // Fill plugin buffers and Run plugin

  1387. 

  1388.         if (kUses16Outs)

  1389.         {

  1390.             for (i=0; i < pData->audioOut.count; ++i)

  1391.             {

  1392. #ifdef HAVE_JUCE

  1393.                 FloatVectorOperations::clear(fAudio16Buffers[i], frames);

  1394. #else

  1395. #endif

  1396.             }

  1397. 

  1398.             fluid_synth_process(fSynth, frames, 0, nullptr, pData->audioOut.count, fAudio16Buffers);

  1399.         }

  1400.         else

  1401.             fluid_synth_write_float(fSynth, frames, outBuffer[0] + timeOffset, 0, 1, outBuffer[1] + timeOffset, 0, 1);

  1402. 

  1403. #ifndef BUILD_BRIDGE

  1404.         // --------------------------------------------------------------------------------------------------------

  1405.         // Post-processing (volume and balance)

  1406. 

  1407.         {

  1408.             // note - balance not possible with kUses16Outs, so we can safely skip fAudioOutBuffers

  1409.             const bool doVolume  = (pData->hints & PLUGIN_CAN_VOLUME) > 0 && pData->postProc.volume != 1.0f;

  1410.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) > 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1411. 

  1412.             float oldBufLeft[doBalance ? frames : 1];

  1413. 

  1414.             for (i=0; i < pData->audioOut.count; ++i)

  1415.             {

  1416.                 // Balance

  1417.                 if (doBalance)

  1418.                 {

  1419.                     if (i % 2 == 0)

  1420.                     {

  1421. #ifdef HAVE_JUCE

  1422.                         FloatVectorOperations::copy(oldBufLeft, outBuffer[i]+timeOffset, frames);

  1423. #else

  1424. #endif

  1425.                     }

  1426. 

  1427.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1428.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1429. 

  1430.                     for (k=0; k < frames; ++k)

  1431.                     {

  1432.                         if (i % 2 == 0)

  1433.                         {

  1434.                             // left

  1435.                             outBuffer[i][k+timeOffset]  = oldBufLeft[k]                * (1.0f - balRangeL);

  1436.                             outBuffer[i][k+timeOffset] += outBuffer[i+1][k+timeOffset] * (1.0f - balRangeR);

  1437.                         }

  1438.                         else

  1439.                         {

  1440.                             // right

  1441.                             outBuffer[i][k+timeOffset]  = outBuffer[i][k+timeOffset] * balRangeR;

  1442.                             outBuffer[i][k+timeOffset] += oldBufLeft[k]              * balRangeL;

  1443.                         }

  1444.                     }

  1445.                 }

  1446. 

  1447.                 // Volume

  1448.                 if (kUses16Outs)

  1449.                 {

  1450.                     for (k=0; k < frames; ++k)

  1451.                         outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k] * pData->postProc.volume;

  1452.                 }

  1453.                 else if (doVolume)

  1454.                 {

  1455.                     for (k=0; k < frames; ++k)

  1456.                         outBuffer[i][k+timeOffset] *= pData->postProc.volume;

  1457.                 }

  1458.             }

  1459. 

  1460.         } // End of Post-processing

  1461. #else

  1462.         if (kUses16Outs)

  1463.         {

  1464.             for (i=0; i < pData->audioOut.count; ++i)

  1465.             {

  1466.                 for (k=0; k < frames; ++k)

  1467.                     outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k];

  1468.             }

  1469.         }

  1470. #endif

  1471. 

  1472.         // --------------------------------------------------------------------------------------------------------

  1473. 

  1474.         pData->singleMutex.unlock();

  1475.         return true;

  1476.     }

  1477. 

  1478.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1479.     {

  1480.         if (! kUses16Outs)

  1481.             return;

  1482. 

  1483.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1484.         {

  1485.             if (fAudio16Buffers[i] != nullptr)

  1486.                 delete[] fAudio16Buffers[i];

  1487.             fAudio16Buffers[i] = new float[newBufferSize];

  1488.         }

  1489.     }

  1490. 

  1491.     // -------------------------------------------------------------------

  1492.     // Plugin buffers

  1493. 

  1494.     void clearBuffers() override

  1495.     {

  1496.         carla_debug("FluidSynthPlugin::clearBuffers() - start");

  1497. 

  1498.         if (fAudio16Buffers != nullptr)

  1499.         {

  1500.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1501.             {

  1502.                 if (fAudio16Buffers[i] != nullptr)

  1503.                 {

  1504.                     delete[] fAudio16Buffers[i];

  1505.                     fAudio16Buffers[i] = nullptr;

  1506.                 }

  1507.             }

  1508. 

  1509.             delete[] fAudio16Buffers;

  1510.             fAudio16Buffers = nullptr;

  1511.         }

  1512. 

  1513.         CarlaPlugin::clearBuffers();

  1514. 

  1515.         carla_debug("FluidSynthPlugin::clearBuffers() - end");

  1516.     }

  1517. 

  1518.     // -------------------------------------------------------------------

  1519. 

  1520.     const void* getExtraStuff() const noexcept override

  1521.     {

  1522.         return kUses16Outs ? (const void*)0x1 : nullptr;

  1523.     }

  1524. 

  1525.     bool init(const char* const filename, const char* const name, const char* const label)

  1526.     {

  1527.         CARLA_ASSERT(fSynth != nullptr);

  1528.         CARLA_ASSERT(filename != nullptr);

  1529.         CARLA_ASSERT(label != nullptr);

  1530. 

  1531.         // ---------------------------------------------------------------

  1532.         // first checks

  1533. 

  1534.         if (pData->engine == nullptr)

  1535.         {

  1536.             return false;

  1537.         }

  1538. 

  1539.         if (pData->client != nullptr)

  1540.         {

  1541.             pData->engine->setLastError("Plugin client is already registered");

  1542.             return false;

  1543.         }

  1544. 

  1545.         if (fSynth == nullptr)

  1546.         {

  1547.             pData->engine->setLastError("null synth");

  1548.             return false;

  1549.         }

  1550. 

  1551.         if (filename == nullptr)

  1552.         {

  1553.             pData->engine->setLastError("null filename");

  1554.             return false;

  1555.         }

  1556. 

  1557.         if (label == nullptr)

  1558.         {

  1559.             pData->engine->setLastError("null label");

  1560.             return false;

  1561.         }

  1562. 

  1563.         // ---------------------------------------------------------------

  1564.         // open soundfont

  1565. 

  1566.         fSynthId = fluid_synth_sfload(fSynth, filename, 0);

  1567. 

  1568.         if (fSynthId < 0)

  1569.         {

  1570.             pData->engine->setLastError("Failed to load SoundFont file");

  1571.             return false;

  1572.         }

  1573. 

  1574.         // ---------------------------------------------------------------

  1575.         // get info

  1576. 

  1577.         CarlaString label2(label);

  1578. 

  1579.         if (kUses16Outs && ! label2.endsWith(" (16 outs)"))

  1580.             label2 += " (16 outs)";

  1581. 

  1582.         pData->filename = carla_strdup(filename);

  1583.         fLabel          = label2.dup();

  1584. 

  1585.         if (name != nullptr)

  1586.             pData->name = pData->engine->getUniquePluginName(name);

  1587.         else

  1588.             pData->name = pData->engine->getUniquePluginName(label);

  1589. 

  1590.         // ---------------------------------------------------------------

  1591.         // register client

  1592. 

  1593.         pData->client = pData->engine->addClient(this);

  1594. 

  1595.         if (pData->client == nullptr || ! pData->client->isOk())

  1596.         {

  1597.             pData->engine->setLastError("Failed to register plugin client");

  1598.             return false;

  1599.         }

  1600. 

  1601.         // ---------------------------------------------------------------

  1602.         // load plugin settings

  1603. 

  1604.         {

  1605.             // set default options

  1606.             pData->options = 0x0;

  1607. 

  1608.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1609.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1610.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  1611.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  1612.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1613. 

  1614.             // set identifier string

  1615.             CarlaString identifier("SF2/");

  1616.             identifier += label;

  1617.             pData->identifier = identifier.dup();

  1618. 

  1619.             // load settings

  1620.             pData->options = pData->loadSettings(pData->options, getOptionsAvailable());

  1621.         }

  1622. 

  1623.         return true;

  1624.     }

  1625. 

  1626. private:

  1627.     enum FluidSynthInputParameters {

  1628.         FluidSynthReverbOnOff    = 0,

  1629.         FluidSynthReverbRoomSize = 1,

  1630.         FluidSynthReverbDamp     = 2,

  1631.         FluidSynthReverbLevel    = 3,

  1632.         FluidSynthReverbWidth    = 4,

  1633.         FluidSynthChorusOnOff    = 5,

  1634.         FluidSynthChorusNr       = 6,

  1635.         FluidSynthChorusLevel    = 7,

  1636.         FluidSynthChorusSpeedHz  = 8,

  1637.         FluidSynthChorusDepthMs  = 9,

  1638.         FluidSynthChorusType     = 10,

  1639.         FluidSynthPolyphony      = 11,

  1640.         FluidSynthInterpolation  = 12,

  1641.         FluidSynthVoiceCount     = 13,

  1642.         FluidSynthParametersMax  = 14

  1643.     };

  1644. 

  1645.     const bool kUses16Outs;

  1646. 

  1647.     fluid_settings_t* fSettings;

  1648.     fluid_synth_t* fSynth;

  1649.     int fSynthId;

  1650. 

  1651.     float** fAudio16Buffers;

  1652.     float   fParamBuffers[FluidSynthParametersMax];

  1653. 

  1654.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  1655. 

  1656.     const char* fLabel;

  1657. 

  1658.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(FluidSynthPlugin)

  1659. };

  1660. 

  1661. CARLA_BACKEND_END_NAMESPACE

  1662. 

  1663. #endif // WANT_FLUIDSYNTH

  1664. 

  1665. CARLA_BACKEND_START_NAMESPACE

  1666. 

  1667. CarlaPlugin* CarlaPlugin::newSF2(const Initializer& init, const bool use16Outs)

  1668. {

  1669.     carla_debug("CarlaPlugin::newSF2({%p, \"%s\", \"%s\", \"%s\"}, %s)", init.engine, init.filename, init.name, init.label, bool2str(use16Outs));

  1670. 

  1671. #ifdef WANT_FLUIDSYNTH

  1672.     if (! fluid_is_soundfont(init.filename))

  1673.     {

  1674.         init.engine->setLastError("Requested file is not a valid SoundFont");

  1675.         return nullptr;

  1676.     }

  1677. 

  1678.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && use16Outs)

  1679.     {

  1680.         init.engine->setLastError("Carla's rack mode can only work with Stereo modules, please choose the 2-channel only SoundFont version");

  1681.         return nullptr;

  1682.     }

  1683. 

  1684.     FluidSynthPlugin* const plugin(new FluidSynthPlugin(init.engine, init.id,  use16Outs));

  1685. 

  1686.     if (! plugin->init(init.filename, init.name, init.label))

  1687.     {

  1688.         delete plugin;

  1689.         return nullptr;

  1690.     }

  1691. 

  1692.     plugin->reload();

  1693. 

  1694.     return plugin;

  1695. #else

  1696.     init.engine->setLastError("fluidsynth support not available");

  1697.     return nullptr;

  1698. 

  1699.     // unused

  1700.     (void)use16Outs;

  1701. #endif

  1702. }

  1703. 

  1704. CARLA_BACKEND_END_NAMESPACE